Mobile device accessory



FIG. 1 is a first perspective view of an example mobile device accessory;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and

FIG. 8 is a bottom view thereof.

The broken lines are directed to environment and are for illustrative purposes only. Broken lines of a particular embodiment form no part of the design claimed in that particular embodiment. 

CLAIM The ornamental design for a mobile device accessory as shown and described. 